HIGH

CVE-2026-86563

CVSS v3

7.8

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-10-16

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

CVE-2026-86563 Red Hat Product Security149 known affected
dpdk: dpdk: Double offset bug in vhost log mapping calculation
grout-frr as a component of Fast Datapath for RHEL 10 · grout.src as a component of Fast Datapath for RHEL 10 · openvswitch3.5-devel as a component of Fast Datapath for RHEL 10

Full record on NVD

Description

A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-14
Last Modified: 2026-10-14

Frequently asked questions

What is CVE-2026-86563?

A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.

Is CVE-2026-86563 actively exploited?

Active exploitation of CVE-2026-86563 has not been confirmed. Its EPSS score was 0.2% on 2026-10-16, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86563?

CVE-2026-86563 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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